The structure and corrosion properties of quasicrystalline Al–Cu–Fe and Al–Cu–Fe–Sc films 200–260 nm thick produced by three-electrode ion-plasma sputtering of assembled targets were studied. The structural and phase composition of the films was determined by transmission and scanning electron microscopy, electron microprobe analysis, and X-ray diffraction. The corrosion properties were examined in 3, 5, and 16% aqueous NaCl solutions (pH = 6.9) at room temperature. An icosahedral fine quasicrystalline phase was found to form in the films deposited. The sizes of coherent scattering domains indicate that the coatings are nanostructured. The addition of 0.5 at.% Sc to the quasicrystalline Al–Cu–Fe films increases their corrosion resistance as evidenced by measurements of stationary potentials in saline solutions of different concentrations.

中文翻译：

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钪对气相沉积纳米结构准晶Al-Cu-Fe薄膜结构和腐蚀性能的影响

研究了通过组装靶的三电极离子等离子体溅射制备的 200-260 nm 厚的准晶 Al-Cu-Fe 和 Al-Cu-Fe-Sc 薄膜的结构和腐蚀性能。通过透射和扫描电子显微镜、电子探针分析和 X 射线衍射确定薄膜的结构和相组成。在室温下在 3%、5% 和 16% NaCl 水溶液（pH = 6.9）中检查腐蚀特性。发现在沉积的薄膜中形成了二十面体精细准晶相。相干散射域的大小表明涂层是纳米结构的。将 0.5 at.% Sc 添加到准晶 Al-Cu-Fe 薄膜中可以提高其耐腐蚀性，这可以通过测量不同浓度盐溶液中的固定电位来证明。